21 senior software engineer jobs found

Location: Remote / Hybrid Employment Type: Contractor  About ifndautoparts  ifndautoparts (I Find Auto Parts) is a rapidly growing online marketplace dedicated exclusively to automotive parts. Our mission is to make finding and selling automotive parts easier, quicker, and smarter by connecting buyers and sellers through innovative technology. As a start-up, ifndautoparts is a family-owned and founder-led company. We operate with a lean, highly collaborative structure and work closely with specialist contractors and development partners to deliver projects and scale the platform. As we expand our business seller network, we are looking for an experienced Senior Integration Engineer to help businesses connect their inventory systems directly to the ifndautoparts marketplace. This is a highly technical, hands-on role focused on helping business sellers connect and synchronise their inventory with the ifndautoparts marketplace. You will work...

pubGENIUS is a React.js and Next.js development agency and ad-tech startup. We build websites and apps for clients across the US and Europe, specializing in decentralized finance (DeFi, crypto, NFT, blockchain), fintech, and healthcare, with occasional work in e-commerce and other verticals. Beyond client work, we operate our own high-revenue web product with a website, mobile app, and machine learning systems powering our ad-tech optimization engine. Performance is not a preference here, it is a core requirement.   We are looking for a Principal Software Engineer, who will be the technical authority, responsible for all development, architecture decisions, and long-term technical strategy across a website, mobile app, and ML-powered ad-tech optimization systems. This is a full-time independent contractor engagement. You will work hands-on at a senior level where site speed and server performance are core success metrics. You will work directly with...

pubGENIUS is a React.js and Next.js development agency and ad-tech startup. We build websites and apps for clients across the US and Europe, specializing in decentralized finance (DeFi, crypto, NFT, blockchain), fintech, and healthcare, with occasional work in e-commerce and other verticals. Beyond client work, we operate our own high-revenue web product with a website, mobile app, and machine learning systems powering our ad-tech optimization engine. Performance is not a preference here, it is a core requirement.   We are looking for a Principal Software Engineer, who will be the technical authority, responsible for all development, architecture decisions, and long-term technical strategy across a website, mobile app, and ML-powered ad-tech optimization systems. This is a full-time independent contractor engagement. You will work hands-on at a senior level where site speed and server performance are core success metrics. You will work directly with...

Mindrift is looking for highly skilled Senior Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot - that's how we refer to this role at Mindrift - you'll collaborate with Tendem Agents that handle repetitive tasks, while you provide critical thinking, domain expertise, and quality control to deliver accurate and actionable results. This part-time remote opportunity is ideal for technical professionals with hands-on experience in web scraping, data extraction and processing.   What We Do The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe.   This is a freelance role for a Tendem project. As a Senior Python Data Scraping Engineer, you 'll handle data scraping tasks requiring technical...

Mindrift is looking for highly skilled Senior Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot - that's how we refer to this role at Mindrift - you'll collaborate with Tendem Agents that handle repetitive tasks, while you provide critical thinking, domain expertise, and quality control to deliver accurate and actionable results. This part-time remote opportunity is ideal for technical professionals with hands-on experience in web scraping, data extraction and processing. What We Do The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe. About the Role This is a freelance role for a Tendem project. As a Senior Python Data Scraping Engineer, you 'll handle data scraping tasks requiring technical...

pubGENIUS is a React.js and Next.js development agency and ad-tech startup. We build websites and apps for clients across the US and Europe, specializing in decentralized finance (DeFi, crypto, NFT, blockchain), fintech, and healthcare, with occasional work in e-commerce and other verticals. Beyond client work, we operate our own high-revenue web product with a website, mobile app, and machine learning systems powering our ad-tech optimization engine. Performance is not a preference here, it is a core requirement.   We are looking for a Principal Software Engineer, who will be the technical authority, responsible for all development, architecture decisions, and long-term technical strategy across a website, mobile app, and ML-powered ad-tech optimization systems. This is a full-time independent contractor engagement. You will work hands-on at a senior level where site speed and server performance are core success metrics. You will work directly with...

Outside IR35 contract - 6 months - excellent day rate - remote Reapit - Who are we? Reapit is the original end-to-end business technology provider for estate agencies of all sizes. We've been helping sales and lettings agents build relationships and grow their businesses for more than 25 years. Our technology empowers property professionals across Europe, the Middle East, Australia, and New Zealand to work with buyers, sellers, tenants, and landlords to deliver a dream home experience. Worldwide, over 100,000 agents across more than 15,000 branches use Reapit to run their businesses, manage properties, collect rent, engage clients, and provide outstanding customer service every time. What you'll be doing Reporting to the Director of Engineering, you'll operate as a highly senior technically hands-on engineer, Embedded into a squad and frequently working Forward Deployed - direct with clients to understand, shape and ship solutions to their workflows. You'll...

1 x Senior Azure Platform Engineer - c £380/day1 x Mid Azure Platform Engineer - c £250/dayFully Remote - Nearshore Contract   About Us Toucanberry Tech is a boutique consultancy specialising in the reinsurance sector. We combine deep industry knowledge with strong technical delivery to help clients modernise systems, automate processes, and build scalable, intelligent platforms. The Role This is a hands-on role supporting a mature, production platform, not a greenfield build. The system processes insurance documents, uses AI to extract and enrich data, and integrates with third-party tools for catastrophe modelling, flood analysis, and risk scoring. You'll take ownership of the Azure infrastructure alongside the engineering team, focusing on incremental improvements, stability, and ongoing evolution of the platform. What You'll Do Manage and enhance a live Azure-based production environment Lead the migration from Ansible to Terraform...

1 x Senior Azure Platform Engineer - c £380/day1 x Mid Azure Platform Engineer - c £250/dayFully Remote - Nearshore Contract   About Us Toucanberry Tech is a boutique consultancy specialising in the reinsurance sector. We combine deep industry knowledge with strong technical delivery to help clients modernise systems, automate processes, and build scalable, intelligent platforms. The Role This is a hands-on role supporting a mature, production platform, not a greenfield build. The system processes insurance documents, uses AI to extract and enrich data, and integrates with third-party tools for catastrophe modelling, flood analysis, and risk scoring. You'll take ownership of the Azure infrastructure alongside the engineering team, focusing on incremental improvements, stability, and ongoing evolution of the platform. What You'll Do Manage and enhance a live Azure-based production environment Lead the migration from Ansible to Terraform...

Mindrift is looking for highly skilled Senior Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot - that's how we refer to this role at Mindrift - you'll collaborate with Tendem Agents that handle repetitive tasks, while you provide critical thinking, domain expertise, and quality control to deliver accurate and actionable results. This part-time remote opportunity is ideal for technical professionals with hands-on experience in web scraping, data extraction and processing. What We Do The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe. About the Role This is a freelance role for a Tendem project. As a Senior Python Data Scraping Engineer, you 'll handle data scraping tasks requiring technical...

pubGENIUS is a React.js and Next.js development agency and ad-tech startup. We build websites and apps for clients across the US and Europe, specializing in decentralized finance (DeFi, crypto, NFT, blockchain), fintech, and healthcare, with occasional work in e-commerce and other verticals. Beyond client work, we operate our own high-revenue web product with a website, mobile app, and machine learning systems powering our ad-tech optimization engine. Performance is not a preference here, it is a core requirement.   We are looking for a Principal Software Engineer, who will be the technical authority, responsible for all development, architecture decisions, and long-term technical strategy across a website, mobile app, and ML-powered ad-tech optimization systems. This is a full-time independent contractor engagement. You will work hands-on at a senior level where site speed and server performance are core success metrics. You will work directly with...

UK Research and Innovation (UKRI) is the national funding agency investing in science and research in the UK.   UKRI invests £8 billion of taxpayers' money each year into research and innovation and the people who make it happen. They work across a huge range of fields - from biodiversity conservation to quantum computing, and from space telescopes to innovative health care. They give everyone the opportunity to contribute and to benefit, bringing together people and organisations nationally and globally to create, develop and deploy new ideas and technologies.   As a Salesforce Test Engineer your main responsibilities will be to:   Identify and raise awareness of risks arising from the automation test results. Identify new and implement existing test frameworks to improve confidence in testing. Work closely with salesforce developers to reach a common understanding of the code base and test coverage at unit level. Collaborate...

Job Description Freelance Apprenticeship Assessment Assessor Location: Remote with travel for assessments Salary: up to £250 per day Line management responsibilities: No   Overview   Training Qualifications UK (TQUK) is the UKs fastest-growing awarding organisation and a market-leading assessment organisation. We partner with more than 500 schools, colleges, universities, and training providers worldwide, supporting over 150,000 learners each year through qualifications, endorsements, and apprenticeships.   Our success lies in doing things differently, placing innovation, integrity, and quality at the heart of everything we do.   The role of a Freelance Apprenticeship Assessment Assessor is to provide independent, fair, reliable, and consistent assessment services to Training Qualifications UK customers working with Apprenticeship Standards. Apprenticeship Assessment Assessors are required to use assessment...

UK Research and Innovation (UKRI) is the national funding agency investing in science and research in the UK.   UKRI invests £8 billion of taxpayers' money each year into research and innovation and the people who make it happen. They work across a huge range of fields - from biodiversity conservation to quantum computing, and from space telescopes to innovative health care. They give everyone the opportunity to contribute and to benefit, bringing together people and organisations nationally and globally to create, develop and deploy new ideas and technologies.   The Data Engineer will be responsible for the requirements analysis and design of solutions for data platforms, ETL, integration and analysis solutions. Our toolset includes AWS hosted databases (postgres, S3 based data lake, MySQL, Athena), integration services (AWS API gateway, lambda functions), ETL services (AWS Glue, Step functions, AWS Batch), infrastructure management tools such as...

The Office for National Statistics (ONS) is the UK's largest producer of official statistics, covering a range of key economic, social and demographic topics. These include measuring changes in the value of the UK economy, estimating the size, geographic distribution and characteristics of the population, and providing indicators of price inflation, employment, earnings, crime and migration.   SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.    As a Software Engineer (GCP, Java), your main responsibilities will be: Develop and maintain scalable, high-quality applications using Java and Spring Boot Design and...

Principal Engineer - Contract We are seeking an experienced Principal AI .NET Engineer to partner with client engineering teams in transforming software delivery through AI-assisted engineering, intelligent automation, and modern software development practices. This role combines deep technical expertise with strategic advisory and coaching responsibilities, helping organizations improve software quality, delivery cadence, and engineering effectiveness across the Software Development Lifecycle (SDLC). The successful candidate will assess existing engineering practices, architecture, tooling, and delivery processes to identify opportunities for enhancement—particularly through the adoption of AI-driven development workflows, agent-based engineering, automation, and modern DevOps practices. You will work closely with engineering leaders, architects, and delivery teams to implement scalable improvements that accelerate delivery while strengthening quality, compliance, and...

Rate: £650 per day (Inside IR35) Clearance: Active SC Clearance mandatory Location: Predominantly remote, with rare occasional visits to Newcastle Duration: 6 months+ We are seeking an experienced Full Stack Engineer to join a high-profile programme within a secure environment. This is a hands-on role for a versatile engineer comfortable working across the full development stack and delivering high-quality, production-ready software. Key Responsibilities Design, develop and maintain applications across both Front End and back-end Build robust, scalable and secure features from concept through to deployment Collaborate with architects, product owners and fellow engineers to deliver against requirements Contribute to technical design decisions and uphold engineering best practice Write clean, well-tested and maintainable code Support continuous integration and deployment pipelines Essential Skills & Experience Proven...

Senior UX/UI Designer — Complex B2B SaaS / Scientific Data Platform Company: Imaged Reality Ltd Product: Stratbox Core Explorer Location: Remote / Hybrid preferred. UK or Colombia time zones preferred. Engagement: Freelance / Contract, with potential for ongoing collaboration Start: As soon as possible   About Imaged Reality Imaged Reality develops Stratbox , a digital platform that helps geoscientists, engineers, researchers and technical teams reduce subsurface uncertainty by integrating core images, logs, laboratory data, thin sections, outcrop data and AI-assisted interpretation workflows. Our products are used across energy, mining, academia and subsurface research. We are now evolving Stratbox Core Explorer into a more powerful, intuitive and scalable platform for interpreting core data, connecting rock observations to analytical data, and enabling AI-assisted workflows for domain experts. We are looking for a Senior...

Principal Engineer - Contract Role Overview We are seeking an experienced Principal AI .NET Engineer to partner with client engineering teams in transforming software delivery through AI-assisted engineering, intelligent automation, and modern software development practices. This role combines deep technical expertise with strategic advisory and coaching responsibilities, helping organizations improve software quality, delivery cadence, and engineering effectiveness across the Software Development Lifecycle (SDLC). The successful candidate will assess existing engineering practices, architecture, tooling, and delivery processes to identify opportunities for enhancement—particularly through the adoption of AI-driven development workflows, agent-based engineering, automation, and modern DevOps practices. You will work closely with engineering leaders, architects, and delivery teams to implement scalable improvements that accelerate delivery while strengthening quality,...

About the job   Delivery Manager / Project Manager | AI & Software Projects | London | Contract | Outside IR35 - Remote unless onsite with clients   Conquer AI is hiring a Delivery Manager / Project Manager to support our Head of Delivery as we scale.   We’re growing quickly and our delivery workload is ramping up across multiple client and internal AI/software projects. Our Head of Delivery is currently managing projects both onsite with clients and internally with engineering teams, so we’re looking for someone sharp, organised, and highly dependable to help keep projects moving at pace.   This is a hands-on delivery role for someone who can operate in a fast-moving consultancy environment, manage multiple workstreams, keep engineers and architects accountable, and make sure projects are delivered properly, not just discussed endlessly in meeting fog. You’ll be working across software and AI projects,...